Keep Your Curls.This Formaldehyde Free treatment process was created with the best hair repair ingredients worldwide. It is not designed to straighten the hair,The Royal Keratin Conditioning Treatment was formulated to get rid of frizz,it contains plant extracts, hydrolyzed keratin, vitamins, hydrolyzed collagen, lanolin and silica,poliquaternium. It will reduce volume and increase hair brightness and eliminates frizz . .Our keratin hair treatment coats the hair with a special film designed to protect against damage from the daily use of irons and dryers . Also makes hair very soft,shiny and more manageable but keeps the body up to 8 to 16 applications per bottle.(1 to 2 oz per application short to shoulder length hair).